Na, 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PNAN-100 Availability: In the manufacturer's stock Price on request - + Recommended E1429-100ML FE1429 Thulium ICP 10mg/L ,100LPF Price on request E2107-100ML FE2107 PE CRDL 15 ,100LPF Price on request E4078-500ML FE4078 Thallium for AAS 1g/L ,500LPF Price on request